EMDB EMD-20830

Single particle reconstruction
3.93Å resolution

Cryo-EM reconstruction of the inner membrane rings containing the core components of the export apparatus and associated membranes of the needle complex from Salmonella typhimurium type III secretion system.

Map released:
Overview of EMD-20830
Related EM entries by publication: EMD-20831, EMD-20832, EMD-20833, EMD-20838
Primary publication:
High-resolution view of the type III secretion export apparatus in situ reveals membrane remodeling and a secretion pathway.
Butan C, Lara-Tejero M, Li W, Liu J, Galan JE
Proc.Natl.Acad.Sci.USA 116 24786-24795 (2019)
PMID: 31744874

Function and Biology Details

Sample name: PrgH and PrgK, the protein components of the inner rings of the Salmonella's needle complex, in complex with the core components of the export apparatus and associated membranes.
Protein: PrgH and PrgK, the protein components of the inner rings of the Salmonella's needle complex, in complex with the core components of the export apparatus and associated membranes.

Experimental Information Details

Resolution: 3.93Å
Resolution method: FSC 0.143 CUT-OFF
Applied symmetry: C1
Reconstruction software: RELION
Microscope: FEI TITAN KRIOS
Detector: GATAN K2 SUMMIT (4k x 4k)